<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>淘宝登录</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f5f5f5;
            margin: 0;
            padding: 0;
        }
        
        .header {
            background-color: #fff;
            padding: 20px;
            text-align: center;
            border-bottom: 1px solid #ddd;
        }
        
        .logo {
            width: 100px;
            height: 40px;
            background-color: #ff4400;
            margin: 0 auto;
            color: white;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
        }
        
        .container {
            width: 400px;
            margin: 50px auto;
            background-color: #fff;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        
        .login-title {
            text-align: center;
            margin-bottom: 20px;
            color: #333;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            color: #666;
        }
        
        .form-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 3px;
            box-sizing: border-box;
        }
        
        .form-group input:focus {
            border-color: #ff4400;
            outline: none;
        }
        
        .login-btn {
            width: 100%;
            padding: 12px;
            background-color: #ff4400;
            color: white;
            border: none;
            border-radius: 3px;
            cursor: pointer;
            font-size: 16px;
            margin-top: 10px;
        }
        
        .login-btn:hover {
            background-color: #e53d00;
        }
        
        .links {
            text-align: center;
            margin-top: 20px;
        }
        
        .links a {
            color: #ff4400;
            text-decoration: none;
            font-size: 14px;
            margin: 0 10px;
        }
        
        .links a:hover {
            text-decoration: underline;
        }
        
        .agreement {
            margin-top: 20px;
            font-size: 12px;
            color: #999;
            text-align: center;
        }
        
        .agreement a {
            color: #ff4400;
            text-decoration: none;
        }
    </style>
</head>
<body>
    <div class="header">
        <div class="logo">淘宝网</div>
    </div>
    
    <div class="container">
        <h2 class="login-title">登录</h2>
        <form>
            <div class="form-group">
                <label for="username">用户名/手机号</label>
                <input type="text" id="username" placeholder="请输入用户名或手机号">
            </div>
            
            <div class="form-group">
                <label for="password">密码</label>
                <input type="password" id="password" placeholder="请输入密码">
            </div>
            
            <button type="submit" class="login-btn">登录</button>
        </form>
        
        <div class="links">
            <a href="#">忘记密码</a>
            <a href="#">免费注册</a>
        </div>
        
        <div class="agreement">
            登录即代表您同意<a href="#">淘宝服务协议</a>和<a href="#">隐私政策</a>
        </div>
    </div>
</body>
</html>